Datexx DS-700-30Xa Panduan Pemilik - Halaman 13

Jelajahi secara online atau unduh pdf Panduan Pemilik untuk Kalkulator Datexx DS-700-30Xa. Datexx DS-700-30Xa 15 halaman. Big display 12 -s digit scientific calculator with fractional and statistical function

Halaman Cetak
Mode
Press
Display
DEG
0 [INV][x<–>m]
6 [÷]
6
15 [=]
0.4
[INV] [sin
– 1
]
23.57817848
[Min]
M 23.57817848
90 [–] [MR] [=] M 66.42182152
0 [INV][x<–>m]23.57817848
23.58 [cos]
0.916502421
[ ] 15 [=]
13.74753633

ELECTRONICS

AMPLIFIER GAIN

Vi = 1mV
Calculate the value of Av
Voltage gain Av = 20 log Vo/Vi
= 20 log
= 69.54242509 dB
Press
3 [÷] [EXP] 3 [+/–]
[=] [log] [ ]
20 [=]
24
0
V0 = 3V
3
10 –3
1
Display
1. –03
3.477121255
69.54242509

REPLACING THE BATTERY

If the calculator slows down when using the battery, the
battery is weak and should be replaced.
1.
Remove the 6 screws on the bottom panel and
remove the panel.
2.
Remove the old batteries.
3.
Insert the new batteries
(Radio Shack type RS-389 Cat. No. 23-101)
following the polarity of the old battery.
4.
Replace the bottom panel and replace the screws.
Replacement Batteries
Radio
Shack
Eveready
389A
189
Maxell
LR1130
25